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    <title>欢迎页面</title>
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    <center><p style="font-size: 60px; opacity: 0.7; color: white">前端：layui + jQuery + JavaScript</p></center>
    <center><p style="font-size: 60px; opacity: 0.7; color: white">后端：jsp + Servlet + MySQL</p></center>
    <center><p style="font-size: 60px; opacity: 0.7; color: white;">学生后台信息管理系统</p></center>
    <center><p style="font-size: 60px; opacity: 0.7; color: white;">欢迎使用</p></center>
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